1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <net/if.h>
#include <linux/sockios.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/l2cap.h>
#include <bluetooth/bnep.h>
#include <glib.h>
#include "log.h"
#include "common.h"
static int ctl;
static struct {
const char *name; /* Friendly name */
const char *uuid128; /* UUID 128 */
uint16_t id; /* Service class identifier */
} __svc[] = {
{ "panu", PANU_UUID, BNEP_SVC_PANU },
{ "gn", GN_UUID, BNEP_SVC_GN },
{ "nap", NAP_UUID, BNEP_SVC_NAP },
{ NULL }
};
uint16_t bnep_service_id(const char *svc)
{
int i;
uint16_t id;
/* Friendly service name */
for (i = 0; __svc[i].name; i++)
if (!strcasecmp(svc, __svc[i].name)) {
return __svc[i].id;
}
/* UUID 128 string */
for (i = 0; __svc[i].uuid128; i++)
if (!strcasecmp(svc, __svc[i].uuid128)) {
return __svc[i].id;
}
/* Try convert to HEX */
id = strtol(svc, NULL, 16);
if ((id < BNEP_SVC_PANU) || (id > BNEP_SVC_GN))
return 0;
return id;
}
const char *bnep_uuid(uint16_t id)
{
int i;
for (i = 0; __svc[i].uuid128; i++)
if (__svc[i].id == id)
return __svc[i].uuid128;
return NULL;
}
const char *bnep_name(uint16_t id)
{
int i;
for (i = 0; __svc[i].name; i++)
if (__svc[i].id == id)
return __svc[i].name;
return NULL;
}
int bnep_init(void)
{
ctl = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_BNEP);
if (ctl < 0) {
int err = errno;
error("Failed to open control socket: %s (%d)",
strerror(err), err);
return -err;
}
return 0;
}
int bnep_cleanup(void)
{
close(ctl);
return 0;
}
int bnep_kill_connection(bdaddr_t *dst)
{
struct bnep_conndel_req req;
memset(&req, 0, sizeof(req));
baswap((bdaddr_t *)&req.dst, dst);
req.flags = 0;
if (ioctl(ctl, BNEPCONNDEL, &req)) {
int err = errno;
error("Failed to kill connection: %s (%d)",
strerror(err), err);
return -err;
}
return 0;
}
int bnep_kill_all_connections(void)
{
struct bnep_connlist_req req;
struct bnep_conninfo ci[7];
unsigned int i;
int err;
memset(&req, 0, sizeof(req));
req.cnum = 7;
req.ci = ci;
if (ioctl(ctl, BNEPGETCONNLIST, &req)) {
err = errno;
error("Failed to get connection list: %s (%d)",
strerror(err), err);
return -err;
}
for (i = 0; i < req.cnum; i++) {
struct bnep_conndel_req del;
memset(&del, 0, sizeof(del));
memcpy(del.dst, ci[i].dst, ETH_ALEN);
del.flags = 0;
ioctl(ctl, BNEPCONNDEL, &del);
}
return 0;
}
int bnep_connadd(int sk, uint16_t role, char *dev)
{
struct bnep_connadd_req req;
memset(&req, 0, sizeof(req));
strncpy(req.device, dev, 16);
req.device[15] = '\0';
req.sock = sk;
req.role = role;
if (ioctl(ctl, BNEPCONNADD, &req) < 0) {
int err = errno;
error("Failed to add device %s: %s(%d)",
dev, strerror(err), err);
return -err;
}
strncpy(dev, req.device, 16);
return 0;
}
int bnep_if_up(const char *devname)
{
struct ifreq ifr;
int sk, err;
sk = socket(AF_INET, SOCK_DGRAM, 0);
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, devname, IF_NAMESIZE - 1);
ifr.ifr_flags |= IFF_UP;
ifr.ifr_flags |= IFF_MULTICAST;
err = ioctl(sk, SIOCSIFFLAGS, (caddr_t) &ifr);
close(sk);
if (err < 0) {
error("Could not bring up %s", devname);
return err;
}
return 0;
}
int bnep_if_down(const char *devname)
{
struct ifreq ifr;
int sk, err;
sk = socket(AF_INET, SOCK_DGRAM, 0);
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, devname, IF_NAMESIZE - 1);
ifr.ifr_flags &= ~IFF_UP;
/* Bring down the interface */
err = ioctl(sk, SIOCSIFFLAGS, (caddr_t) &ifr);
close(sk);
return 0;
}
int bnep_add_to_bridge(const char *devname, const char *bridge)
{
int ifindex = if_nametoindex(devname);
struct ifreq ifr;
int sk, err;
if (!devname || !bridge)
return -EINVAL;
sk = socket(AF_INET, SOCK_STREAM, 0);
if (sk < 0)
return -1;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, bridge, IFNAMSIZ - 1);
ifr.ifr_ifindex = ifindex;
err = ioctl(sk, SIOCBRADDIF, &ifr);
close(sk);
if (err < 0)
return err;
info("bridge %s: interface %s added", bridge, devname);
return 0;
}
|
